OpenTechnical

OT-2026-000073615

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000073615) never changes.

Identity and time

Publication numberOT-2026-000073615 · never reused
Internal UUID01a0ae93-2b8c-751a-ad6f-8e4a40a2842a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073615
StatusPUBLIC

Content hashes

Canonical text3e0bf3144e033c36346ec7b5e863de05ad9b44055e1c4e803064bf150f2ed56b
Markdown3998dee60ac0af875c1b843c1986588ff29c2206b82f4bdd38ed9761e5f4e0b5
PDF
Publication page8974a5ca90d987b681d81aa244dc0f43725439ed5ce40c8631fa4fe6ad4b5b26
Manifest0844aa601acc59cb6a7839e7df6f6211158a346be2b1d40b369c972bdc2e18c0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureveFdFg4z49k1yeD9F7VxThCsRFFn2XzJZMA0F6Mziz8lY2H9nYgbMVu0UAypm1Mh3yhJglFG1DtOg7TWM1ssBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:39.203580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073615
observed 8974a5ca90d987b681d81aa244dc0f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.185937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073615/manifest.json
observed 0844aa601acc59cb6a7839e7df6f6211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.166766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073615/publication.md
observed 3998dee60ac0af875c1b843c1986588f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.149131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073615/publication.txt
observed 3e0bf3144e033c36346ec7b5e863de05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.